== sanity test 398c: run fio to test AIO ================= 06:15:45 (1765106145) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.188383 s, 223 MB/s osc.lustre-OST0000-osc-ffff8b7d87c89000.rpc_stats=clear writing 40M to OST0 by fio with 4 jobs... rand-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=149892: Sun Dec 7 06:16:57 2025 write: IOPS=37, BW=150KiB/s (154kB/s)(10.0MiB/68072msec); 0 zone resets slat (usec): min=31, max=3773, avg=154.31, stdev=167.64 clat (msec): min=55, max=849, avg=424.96, stdev=127.15 lat (msec): min=56, max=849, avg=425.12, stdev=127.16 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 226], 10.00th=[ 271], 20.00th=[ 326], | 30.00th=[ 359], 40.00th=[ 388], 50.00th=[ 418], 60.00th=[ 443], | 70.00th=[ 477], 80.00th=[ 531], 90.00th=[ 609], 95.00th=[ 642], | 99.00th=[ 726], 99.50th=[ 768], 99.90th=[ 844], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 63, max= 374, per=24.93%, avg=149.82, stdev=46.78, samples=135 iops : min= 15, max= 93, avg=37.14, stdev=11.73, samples=135 lat (msec) : 100=0.04%, 250=8.24%, 500=66.21%, 750=24.88%, 1000=0.62% cpu : usr=0.10%, sys=0.49%, ctx=2999, majf=0, minf=11 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=149893: Sun Dec 7 06:16:57 2025 write: IOPS=37, BW=151KiB/s (154kB/s)(10.0MiB/68030msec); 0 zone resets slat (usec): min=21, max=1790, avg=144.92, stdev=126.92 clat (msec): min=84, max=817, avg=424.83, stdev=125.67 lat (msec): min=84, max=817, avg=424.98, stdev=125.68 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 234], 10.00th=[ 266], 20.00th=[ 330], | 30.00th=[ 359], 40.00th=[ 388], 50.00th=[ 418], 60.00th=[ 443], | 70.00th=[ 477], 80.00th=[ 531], 90.00th=[ 600], 95.00th=[ 642], | 99.00th=[ 726], 99.50th=[ 760], 99.90th=[ 810], 99.95th=[ 810], | 99.99th=[ 818] bw ( KiB/s): min= 63, max= 416, per=24.90%, avg=149.65, stdev=49.28, samples=135 iops : min= 15, max= 104, avg=37.10, stdev=12.41, samples=135 lat (msec) : 100=0.62%, 250=7.46%, 500=66.17%, 750=25.16%, 1000=0.59% cpu : usr=0.10%, sys=0.47%, ctx=2727, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=149894: Sun Dec 7 06:16:57 2025 write: IOPS=37, BW=150KiB/s (154kB/s)(10.0MiB/68073msec); 0 zone resets slat (usec): min=24, max=3400, avg=160.45, stdev=178.51 clat (msec): min=145, max=876, avg=424.92, stdev=125.18 lat (msec): min=145, max=876, avg=425.09, stdev=125.19 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 222], 10.00th=[ 266], 20.00th=[ 321], | 30.00th=[ 359], 40.00th=[ 393], 50.00th=[ 418], 60.00th=[ 443], | 70.00th=[ 477], 80.00th=[ 527], 90.00th=[ 600], 95.00th=[ 642], | 99.00th=[ 735], 99.50th=[ 776], 99.90th=[ 835], 99.95th=[ 844], | 99.99th=[ 877] bw ( KiB/s): min= 71, max= 360, per=24.89%, avg=149.61, stdev=46.35, samples=135 iops : min= 17, max= 90, avg=37.09, stdev=11.68, samples=135 lat (msec) : 250=7.42%, 500=67.93%, 750=23.87%, 1000=0.78% cpu : usr=0.09%, sys=0.52%, ctx=2965, majf=0, minf=9 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=149895: Sun Dec 7 06:16:57 2025 write: IOPS=37, BW=150KiB/s (154kB/s)(10.0MiB/68075msec); 0 zone resets slat (usec): min=29, max=2932, avg=161.53, stdev=163.71 clat (msec): min=28, max=877, avg=424.89, stdev=127.25 lat (msec): min=29, max=877, avg=425.05, stdev=127.26 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 222], 10.00th=[ 264], 20.00th=[ 326], | 30.00th=[ 359], 40.00th=[ 388], 50.00th=[ 418], 60.00th=[ 443], | 70.00th=[ 481], 80.00th=[ 535], 90.00th=[ 600], 95.00th=[ 651], | 99.00th=[ 735], 99.50th=[ 785], 99.90th=[ 835], 99.95th=[ 844], | 99.99th=[ 877] bw ( KiB/s): min= 64, max= 331, per=24.92%, avg=149.79, stdev=46.25, samples=135 iops : min= 16, max= 82, avg=37.13, stdev=11.62, samples=135 lat (msec) : 50=0.04%, 100=0.04%, 250=7.46%, 500=66.25%, 750=25.47% lat (msec) : 1000=0.74% cpu : usr=0.09%, sys=0.52%, ctx=2900, majf=0, minf=12 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): WRITE: bw=602KiB/s (616kB/s), 150KiB/s-151KiB/s (154kB/s-154kB/s), io=40.0MiB (41.9MB), run=68030-68075msec mix rw 40M to OST0 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=149914: Sun Dec 7 06:17:42 2025 read: IOPS=30, BW=123KiB/s (126kB/s)(5048KiB/41127msec) slat (usec): min=1305, max=16745, avg=4194.41, stdev=1533.94 clat (msec): min=9, max=308, avg=161.55, stdev=40.01 lat (msec): min=13, max=315, avg=165.76, stdev=40.29 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 102], 10.00th=[ 115], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 169], | 70.00th=[ 182], 80.00th=[ 197], 90.00th=[ 213], 95.00th=[ 230], | 99.00th=[ 257], 99.50th=[ 271], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 47, max= 240, per=25.18%, avg=122.63, stdev=40.63, samples=81 iops : min= 11, max= 60, avg=30.41, stdev=10.25, samples=81 write: IOPS=31, BW=126KiB/s (129kB/s)(5192KiB/41127msec); 0 zone resets slat (usec): min=37, max=1595, avg=167.03, stdev=136.61 clat (msec): min=143, max=675, avg=344.35, stdev=92.11 lat (msec): min=143, max=675, avg=344.52, stdev=92.10 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 207], 10.00th=[ 226], 20.00th=[ 264], | 30.00th=[ 292], 40.00th=[ 313], 50.00th=[ 334], 60.00th=[ 363], | 70.00th=[ 393], 80.00th=[ 426], 90.00th=[ 468], 95.00th=[ 502], | 99.00th=[ 592], 99.50th=[ 609], 99.90th=[ 651], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 71, max= 200, per=24.84%, avg=125.95, stdev=27.07, samples=81 iops : min= 17, max= 50, avg=31.23, stdev= 6.89, samples=81 lat (msec) : 10=0.04%, 20=0.08%, 50=0.35%, 100=1.84%, 250=54.45% lat (msec) : 500=40.82%, 750=2.42% cpu : usr=0.19%, sys=1.26%, ctx=5117, majf=0, minf=17 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1262,1298,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=149915: Sun Dec 7 06:17:42 2025 read: IOPS=30, BW=121KiB/s (124kB/s)(4976KiB/41175msec) slat (usec): min=1599, max=12313, avg=4254.07, stdev=1522.27 clat (msec): min=4, max=304, avg=161.27, stdev=40.64 lat (msec): min=8, max=311, avg=165.53, stdev=40.95 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 102], 10.00th=[ 113], 20.00th=[ 128], | 30.00th=[ 142], 40.00th=[ 150], 50.00th=[ 161], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 192], 90.00th=[ 213], 95.00th=[ 228], | 99.00th=[ 266], 99.50th=[ 288], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 47, max= 208, per=24.71%, avg=120.33, stdev=39.67, samples=81 iops : min= 11, max= 52, avg=29.83, stdev= 9.98, samples=81 write: IOPS=31, BW=128KiB/s (131kB/s)(5264KiB/41175msec); 0 zone resets slat (usec): min=34, max=2410, avg=178.07, stdev=191.90 clat (msec): min=30, max=662, avg=342.78, stdev=91.12 lat (msec): min=30, max=662, avg=342.95, stdev=91.13 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 205], 10.00th=[ 228], 20.00th=[ 262], | 30.00th=[ 292], 40.00th=[ 313], 50.00th=[ 338], 60.00th=[ 359], | 70.00th=[ 388], 80.00th=[ 422], 90.00th=[ 464], 95.00th=[ 493], | 99.00th=[ 600], 99.50th=[ 625], 99.90th=[ 642], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 71, max= 208, per=25.07%, avg=127.11, stdev=29.40, samples=81 iops : min= 17, max= 52, avg=31.52, stdev= 7.49, samples=81 lat (msec) : 10=0.16%, 20=0.04%, 50=0.31%, 100=1.84%, 250=53.63% lat (msec) : 500=41.76%, 750=2.27% cpu : usr=0.18%, sys=1.28%, ctx=5105, majf=0, minf=14 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1244,1316,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=149916: Sun Dec 7 06:17:42 2025 read: IOPS=30, BW=121KiB/s (124kB/s)(4984KiB/41176msec) slat (usec): min=1510, max=11854, avg=4243.77, stdev=1533.84 clat (msec): min=5, max=309, avg=162.91, stdev=39.72 lat (msec): min=8, max=314, avg=167.15, stdev=40.06 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 104], 10.00th=[ 114], 20.00th=[ 131], | 30.00th=[ 144], 40.00th=[ 153], 50.00th=[ 161], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 197], 90.00th=[ 213], 95.00th=[ 228], | 99.00th=[ 271], 99.50th=[ 292], 99.90th=[ 305], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 31, max= 256, per=24.86%, avg=121.09, stdev=43.82, samples=81 iops : min= 7, max= 64, avg=30.01, stdev=11.08, samples=81 write: IOPS=31, BW=128KiB/s (131kB/s)(5256KiB/41176msec); 0 zone resets slat (usec): min=34, max=5144, avg=171.15, stdev=195.89 clat (msec): min=106, max=634, avg=341.69, stdev=92.12 lat (msec): min=106, max=634, avg=341.86, stdev=92.12 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 203], 10.00th=[ 228], 20.00th=[ 262], | 30.00th=[ 288], 40.00th=[ 309], 50.00th=[ 334], 60.00th=[ 363], | 70.00th=[ 388], 80.00th=[ 422], 90.00th=[ 468], 95.00th=[ 498], | 99.00th=[ 584], 99.50th=[ 617], 99.90th=[ 634], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 64, max= 208, per=24.89%, avg=126.17, stdev=30.05, samples=81 iops : min= 16, max= 52, avg=31.28, stdev= 7.62, samples=81 lat (msec) : 10=0.04%, 20=0.04%, 50=0.27%, 100=1.52%, 250=54.30% lat (msec) : 500=41.33%, 750=2.50% cpu : usr=0.20%, sys=1.24%, ctx=5103, majf=0, minf=14 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1246,1314,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=149917: Sun Dec 7 06:17:42 2025 read: IOPS=30, BW=124KiB/s (127kB/s)(5060KiB/40897msec) slat (usec): min=60, max=12027, avg=4183.68, stdev=1581.13 clat (msec): min=5, max=473, avg=163.72, stdev=44.56 lat (msec): min=9, max=478, avg=167.91, stdev=44.92 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 102], 10.00th=[ 115], 20.00th=[ 131], | 30.00th=[ 142], 40.00th=[ 150], 50.00th=[ 161], 60.00th=[ 171], | 70.00th=[ 184], 80.00th=[ 197], 90.00th=[ 218], 95.00th=[ 234], | 99.00th=[ 279], 99.50th=[ 305], 99.90th=[ 443], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 16, max= 192, per=25.35%, avg=123.47, stdev=37.96, samples=81 iops : min= 4, max= 48, avg=30.62, stdev= 9.57, samples=81 write: IOPS=31, BW=127KiB/s (130kB/s)(5180KiB/40897msec); 0 zone resets slat (usec): min=40, max=2346, avg=171.29, stdev=161.10 clat (msec): min=59, max=726, avg=340.61, stdev=95.13 lat (msec): min=59, max=726, avg=340.78, stdev=95.13 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 205], 10.00th=[ 226], 20.00th=[ 262], | 30.00th=[ 288], 40.00th=[ 309], 50.00th=[ 334], 60.00th=[ 355], | 70.00th=[ 384], 80.00th=[ 418], 90.00th=[ 464], 95.00th=[ 506], | 99.00th=[ 609], 99.50th=[ 651], 99.90th=[ 684], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 55, max= 208, per=24.93%, avg=126.37, stdev=30.92, samples=81 iops : min= 13, max= 52, avg=31.33, stdev= 7.84, samples=81 lat (msec) : 10=0.08%, 20=0.12%, 50=0.23%, 100=1.95%, 250=54.30% lat (msec) : 500=40.39%, 750=2.93% cpu : usr=0.19%, sys=1.27%, ctx=5139, majf=0, minf=15 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1265,1295,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=487KiB/s (499kB/s), 121KiB/s-124KiB/s (124kB/s-127kB/s), io=19.6MiB (20.5MB), run=40897-41176msec WRITE: bw=507KiB/s (520kB/s), 126KiB/s-128KiB/s (129kB/s-131kB/s), io=20.4MiB (21.4MB), run=40897-41176msec AIO with large block size 40M rand-rw: (g=0): rw=randrw, bs=(R) 40.0MiB-40.0MiB, (W) 40.0MiB-40.0MiB, (T) 40.0MiB-40.0MiB, ioengine=libaio, iodepth=16 fio-3.19 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=149927: Sun Dec 7 06:17:47 2025 read: IOPS=6, BW=242MiB/s (254MB/s)(40.0MiB/165msec) slat (nsec): min=14954k, max=14954k, avg=14954195.00, stdev= 0.00 clat (nsec): min=138894k, max=138894k, avg=138893906.00, stdev= 0.00 lat (nsec): min=153854k, max=153854k, avg=153853570.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 140], | 30.00th=[ 140], 40.00th=[ 140], 50.00th=[ 140], 60.00th=[ 140], | 70.00th=[ 140], 80.00th=[ 140], 90.00th=[ 140], 95.00th=[ 140], | 99.00th=[ 140], 99.50th=[ 140], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 140] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=7.93%, ctx=41, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=242MiB/s (254MB/s), 242MiB/s-242MiB/s (254MB/s-254MB/s), io=40.0MiB (41.9MB), run=165-165msec debug=trace inode super iotrace malloc cache info ioctl neterror net warning buffs other dentry nettrace page dlmtrace error emerg ha rpctrace vfstrace reada mmap config console quota sec lfsck hsm snapshot layout